APA

Cook L. A., . (1957). School problems in human relations. New York: McGraw-Hill.

Chicago

Cook Lloyd Allen, . 1957. School problems in human relations. New York: McGraw-Hill.

Harvard

Cook L. A., . (1957). School problems in human relations. New York: McGraw-Hill.

MLA

Cook Lloyd Allen, . School problems in human relations. New York: McGraw-Hill. 1957.